On 11/15/22 11:31, Olivier Moysan wrote: > Refine offset and linear calibration strategy for STM32MP15 and > STM32MP13 SoCs: > > - offset calibration > This calibration depends on factors such as temperature and voltage. > As it is not time consuming, it's worth doing it on each ADC > start, to get the best accuracy. There is no need to save these data. > > - linear calibration > This calibration is basically SoC dependent, so it can be done only once. > When this calibration has been performed at boot stage, the ADC kernel > driver can retrieve the calibration data from the ADC registers. > Otherwise, the linear calibration is performed once by the ADC driver. > The backup of these data, allows to restore them on successive ADC starts. > > Olivier Moysan (3): > iio: adc: stm32-adc: smart calibration support > iio: adc: stm32-adc: improve calibration error log > iio: adc: stm32-adc: add debugfs to read raw calibration result Hi Olivier, For the series, you can add my: Reviewed-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx> Thanks, Fabrice > > drivers/iio/adc/stm32-adc-core.h | 1 + > drivers/iio/adc/stm32-adc.c | 135 ++++++++++++++++++------------- > 2 files changed, 78 insertions(+), 58 deletions(-) >
